﻿using System;
using System.Collections.Generic;
using System.Text;

namespace 桥接模式
{
    //电视抽象类接口
    abstract class TV
    {
        /// <summary>
        /// 电视打开
        /// </summary>
        public abstract void On();

        /// <summary>
        /// 电视关闭
        /// </summary>
        public abstract void Off();

        /// <summary>
        ///  更换电视频道
        /// </summary>
        public abstract void TuneChannel();


        public abstract void Next();
    }
}
